Home / 1,316,373.50-1,974,560.26-319,101.50

Finding the Fourth Proportional to 1,316,373.50, 1,974,560.26 and 319,101.50

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Solution

The fourth proportional to 1,316,373.50, 1,974,560.26 and 319,101.50 is: 478,652.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,373.50 : 1,974,560.26 = 319,101.50 : x
  2. Step 2: Convert to fraction form
    1,316,373.50/1,974,560.26 = 319,101.50/x
  3. Step 3: Cross multiply
    1,316,373.50x = 1,974,560.26 × 319,101.50
  4. Step 4: Simplify right side
    1,316,373.50x = 630,085,140,806.39
  5. Step 5: Solve for x
    x = 630,085,140,806.39/1,316,373.50
  6. Step 6: Final answer
    x = 478,652.25

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.